Boulder County property record for 465 S 45th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 2,019 sqft · built 1957 |
| Lot Size | 0.156 acres (6,775 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $77,000 (Sep 1987) |
| Tax Bill | $3,521 (2025) |
| Deeds & Mortgages | Apr 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-4-27-011 |
| Primary APN | 1577-05-4-27-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,019 sqft Living Area |
| Gross Area | 2,469 sqft |
| 1st Floor Area | 1,119 sqft |
| Basement Area | 1,119 sqft |
| Finished Basement | 900 sqft |
| Unfinished Basement | 219 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,775 sqft (0.156 acres) |
| Garage Type | Attached |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 216 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0011553 |
|---|---|
| Street Address | 465 S 45TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-6047 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLK 10 MARTIN ACRES 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 2 - BO |
| Legal Block | 10 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 12507 |
Source: Boulder County assessment roll, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 465 S 45TH ST, BOULDER, CO 80305-6047 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 2, 1987 · Amount on Record |
| Deed Sale | Sep 2, 1987 · Amount on Record |
| Prior Sale | Sep 2, 1987 |
| Deed Document Number | 19874580 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 465 S 45TH ST, BOULDER, CO 80305-6047 |
| Document Number | 0003653490 |
| Instrument Date | Apr 27, 2018 |
| Transaction Type | Mortgage |
| Record Updated | May 9, 2018 |
| Name | Verified Name |
|---|---|
| Address | 485 S 45TH ST BOULDER CO 80305, BOULDER, CO 80305 |
| Document Number | 0003653490 |
|---|---|
| Date | May 2, 2018 |
| Instrument | 3653490 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | May 1, 2038 |
| Rate Type | Adjustable Rate |
|---|
Source: Boulder County assessment roll, as of June 15, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $46,981 (+8.8%) Land $32,470 Building $14,511 | $690,900 (-) Land $477,500 Building $213,400 | |
| 2025 | $3,521.00 (+4.08%) | $43,182 (-12.88%) Land $29,844 Building $13,338 | $690,900 (-6.61%) Land $477,500 Building $213,400 |
| 2023 | $3,383.00 (+14.21%) | $49,567 (+27.58%) Land $35,182 Building $14,385 | $739,800 (+32.34%) Land $525,100 Building $214,700 |
| 2022 | $2,962.00 | $38,851 Land $26,202 Building $12,649 | $559,000 Land $377,000 Building $182,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 7 (1979–2022) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Jul 2022 · rainfall accumulation |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 678 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures